# Sabolog vs まる日

The clearest difference is in-app purchases: Sabolog at none against まる日's 3. Sabolog also leads on iOS requirement (15.0 vs 17.0). まる日's advantage is ads (none vs shown) and update cadence (daily vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. まる日 sells 3 in-app purchases, starting at $3.99 per month. Sabolog asks for nothing beyond the download.

Sabolog ships an update every 3 weeks, まる日 daily. Both last shipped on October 31, 2026.

## The numbers

| Metric | Sabolog | まる日 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 47 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reo Morishige](https://appshunter.io/developer/1890812929) | [kanta mori](https://appshunter.io/developer/1604311224) |

## What reviewers say

### Sabolog

[App page](https://appshunter.io/ios/app/sabolog/id6773163342)

This app helps you playfully track tasks you're procrastinating on, offering lighthearted excuses and optional reminders. It provides insights into your slacking habits and offers customization options. Widgets allow for quick access to your ongoing tasks.

**Highlights:** Record slacking tasks with reasons and colors, Optional deadlines and multiple reminder timings, Track total days slacking and longest streak, Home screen widgets for ongoing tasks, Customizable color themes and app icons, Manual and automatic iCloud backups, Pro version with ad removal and advanced features

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### まる日

[App page](https://appshunter.io/ios/app/1/id6811584109)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marubi Premium Monthly | $3.99 | per month |
| Marubi Premium Yearly | $22.99 | per year |
| Marubi Premium Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Sabolog free?

Sabolog is free to download, with no in-app purchases.

### Is まる日 free?

まる日 is free to download, with in-app purchases available.

### Do Sabolog or まる日 have ads?

Sabolog shows ads; まる日 does not.

### Which is updated more often, Sabolog or まる日?

Sabolog ships an update every 3 weeks, and まる日 daily. Most recently, Sabolog was updated on October 31, 2026 and まる日 on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*